As one of these elements of structure changes, the others must change as well. Take, for example, work specialization. As employees are given more and more specialized with jobs to do. Organizational Structure in 9 level managers are more and more likely to develop rules by which those jobs should be done, and the organization becomes more formalized and centralized. In addition, with increasing specialization, senior management may perceive an increased need to control employees, which will lead to hiring more managers and a decreased span of control.